From across the pond, courtesy of John Pozadzides(?), a fun blog and an IQ test (scroll towards the end of the page):
http://onemansblog.com/2007/11/08/the-massive-list-of-genius-people-with-the-highest-iq/
I didn't score exceptionally high, but at least I scored over 100, and with 10 minutes left to spare. Some of those color combos left me dizzy.
Speaking of IQ tests, here's an FT story on investors and Madoff.